{{Short description|German academic (1888–1964)}} {{Use dmy dates|date=August 2022}} {{Infobox officeholder | image = | image_size = | office = Minister of Transport | prime_minister = Otto Grotewohl | predecessor = ''Office established'' | successor = Roman Chwalek | term_start = 11 October 1949 | term_end = 30 April 1953 | birth_date = {{birth date|1888|4|30|df=y}} | birth_place = Elberfeld, German Empire | death_date = {{death date and age|1964|1|14|1888|4|30|df=y}} | death_place = Dresden, East Germany | resting_place = | party = Independent | alma_mater = Technical University of Hanover | spouse = }} '''Hans Reingruber''' (1888–1964) was a German academic and the first minister of transport or traffic of East Germany.
==Early life and education== Reingruber was born in Elberfeld (today Wuppertal) on 30 April 1888.<ref name=prghme>{{cite web|author=Helmut Müller-Enbergs|title=Hans Reingruber. Verkehrswissenschaftler und Politiker (1888–1964)|url=https://www.rheinische-geschichte.lvr.de/Persoenlichkeiten/hans-reingruber/DE-2086/lido/57cd1d3723f832.82777943|publisher=Portal Rheinische Geschichte|access-date=4 September 2022|location=Berlin|language=de}}</ref> In April 1908 he enrolled at Technical University of Hanover and graduated from the university in 1912 receiving a degree in civil engineering and technical sciences.<ref name=prghme/> In 1924 he obtained a PhD.<ref name=prghme/>
==Career== Reingruber started his career at the Prussian Ministry for Public Works which was renamed as the Reich Ministry of Transport in 1919.<ref name=prghme/> He served there until 1933.<ref name=bundes/> Following the Nazi rule he refused to become a member of the Nazi Party and left the ministry.<ref name=bundes/> He joined the Technical University of Dresden (TU Dresden) where he was a professor of railway and traffic engineering from 1934 to 1945.<ref name=bundes/> He served as its Prorector between 1946 and 1948.<ref name=prghme/> On 11 October 1949 Reingruber was appointed minister of traffic to the cabinet led by Minister President Otto Grotewohl.<ref name=chr49>{{cite journal|title=Chronology|journal=Current History|date=December 1949|volume=17|issue=100 |pages=370–371|jstor=45307674}}</ref> Reingruber was one of the cabinet members who were not a member of the ruling Party Socialist Unity Party.<ref name=chr49/><ref>{{cite book|author=Martin McCauley|title=The German Democratic Republic since 1945| publisher=Palgrave Macmillan|location=London; Basingstoke|year=1983| isbn=978-1-349-17243-6|url=https://books.google.com/books?id=oAGwCwAAQBAJ&pg=PR45|page=45}}</ref> He also served as the dean of the faculty of civil engineering from 1950 to 1952.<ref name=prghme/> His ministerial tenure ended on 30 April 1953, and he was succeeded by Roman Chwalek in the post.<ref>{{cite web|title=Chwalek, Roman|access-date=4 August 2023|url=https://www.bundesstiftung-aufarbeitung.de/de/recherche/kataloge-datenbanken/biographische-datenbanken/roman-chwalek |language=de|publisher=Bundesstiftung Aufarbeitung}}</ref> Following the end of his ministerial tenure Reingruber returned to the TU Dresden and served as the department chair.<ref name=bundes/>
==Later years and death== On 1 September 1957 Reingruber retired from the university.<ref name=prghme/> He died in Dresden on 14 January 1964.<ref name=bundes>{{cite web|title=Reingruber, Hans|url=https://www.bundesstiftung-aufarbeitung.de/de/recherche/kataloge-datenbanken/biographische-datenbanken/hans-reingruber |publisher=Bundesstiftung Aufarbeitung|access-date=4 September 2022|language=de}}</ref>
==References== {{Reflist}}
==External links== *{{Commons-inline}}
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{{DEFAULTSORT:Reingruber, Hans}} Category:20th-century German engineers Category:1888 births Category:1964 deaths Category:Government ministers of East Germany Category:German civil engineers Category:Academic staff of TU Dresden Category:Leibniz University Hannover alumni Category:People from Elberfeld Category:Independent politicians in Germany